22990854144 has 96 divisors (see below), whose sum is σ = 61425000000. Its totient is φ = 7647240192.

The previous prime is 22990854143. The next prime is 22990854191. The reversal of 22990854144 is 44145809922.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 22990854093 and 22990854102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22990854143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3062107 + ... + 3069605.

It is an arithmetic number, because the mean of its divisors is an integer number (639843750).

Almost surely, 2^22990854144 is an apocalyptic number.

22990854144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22990854144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30712500000).

22990854144 is an abundant number, since it is smaller than the sum of its proper divisors (38434145856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22990854144 is an equidigital number, since it uses as much as digits as its factorization.

22990854144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8023 (or 8003 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 22990854144 in words is "twenty-two billion, nine hundred ninety million, eight hundred fifty-four thousand, one hundred forty-four".